Standard-level English grammar textbook for university entrance exams. - Title: Seki Masao's English Grammar POLARIS 1 - Publisher: KADOKAWA - Level: Standard - Target Audience: University entrance exam problem sets - Author: Seki Masao Thank you for viewing. As shown in the second photo, there is a small stain on the corner. There are no markings, and it is in good condition. We look forward to your purchase!